Advertisements
Advertisements
प्रश्न
Give a chemical test to distinguish between the following gases.
H2 and O2
Advertisements
उत्तर
| Hydrogen | Oxygen |
| Apply a burning splint to the gas: Pure hydrogen burns with a pale blue Flame when a burning splint is brought near it. | Apply a burning splint to the gas: It rekindles a glowing wooden splinter. |
APPEARS IN
संबंधित प्रश्न
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
TRUE \ FALSE
Weak electrolytes dissociate partially in their aqueous or fused state.
TRUE \ FALSE
Temperature at which a liquid starts boiling is known as the boiling point of that liquid. True or false ?
Differentiate between in Chemical reaction and chemical equation.
A solution of a substance ‘X’ is used for white washing Name the substance ‘X’ and write its formula.
Write the chemical reaction where the following changes are observed.
Physical state is changed
What is a chemical change? Give two examples of chemical change?
Give a chemical test to distinguish between the following gases.
HCl and Cl2
Give balanced equation for the following conversion affected by heat alone on the substance:
Ammonium dichromate to nitrogen
Give an example of a chemical reaction for the following situation:
A change in colour is observed
